Hillman 1/2 in. Diameter x 3-1/2 in. Length Heat-Treated Zinc Steel Hex Head Cap Screw, 25-Pack
SKU: 212556154

Hillman 1/2 in. Diameter x 3-1/2 in. Length Heat-Treated Zinc Steel Hex Head Cap Screw, 25-Pack

Sale price$35.09 Regular price$38.99
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Description

Hillman 1/2 in. Diameter x 3-1/2 in. Length Heat-Treated Zinc Steel Hex Head Cap Screw, 25-PackHillman 1 2 in. x 3 1 2 in. Grade 5 Zinc Hex Cap Screws (25 Pack) Durable Grade 5 hex head cap screws for strong, reliable fastening in metal to metal or metal to wood applications. Heat treated zinc plated steel offers added strength and corrosion resistance, with a partially threaded shank for secure clamping. Key Features: Grade 5 Strength: Heat treated steel suitable for most general purpose fastening Corrosion Resistant Finish: Zinc plating helps

Hillman 1/2 in. x 3-1/2 in. Grade 5 Zinc Hex Cap Screws (25-Pack)

Durable Grade 5 hex head cap screws for strong, reliable fastening in metal-to-metal or metal-to-wood applications. Heat-treated zinc-plated steel offers added strength and corrosion resistance, with a partially threaded shank for secure clamping.


Key Features:

  • Grade 5 Strength: Heat-treated steel suitable for most general-purpose fastening
  • Corrosion-Resistant Finish: Zinc plating helps protect against rust
  • High-Torque Hex Head: Designed for use with wrenches and sockets for secure tightening
  • Partially Threaded Shank: Improves grip and reduces shear movement
  • Bulk Pack Convenience: 25 pieces for jobsite or shop use

Specifications Table:

Specification Details
Diameter 1/2 inch
Thread Pitch 13 TPI (1/2"-13)
Length 3-1/2 inch
Material Steel
Grade USS Grade 5
Finish Zinc, heat-treated
Head Type Hex cap
Thread Type Machine thread
Thread Coverage Partially threaded shank
Pieces per Pack 25

Frequently Asked Questions (FAQ):

Q: What size are these screws?
A: They are 1/2 in.-13 diameter/thread with a 3-1/2 in. length.


Q: Are these fully threaded?
A: No. They have a partially threaded shank to enhance clamping strength.


Q: What tools are recommended for installation?
A: Use a wrench or socket sized for the hex head; pre-drill a hole matching the bolt diameter for best results.


Q: Can these be used outdoors?
A: The zinc finish provides corrosion resistance suitable for many indoor and some outdoor applications; for harsh environments, consider galvanized or stainless options.


Q: How many come in a pack?
A: 25 pieces per retail package.


Industrial Poise, Everyday Strength

These hex cap screws bring a crisp, utilitarian elegance to custom shelving, exposed hardware, and artisan furniture. The zinc finish catches light with a subtle sheen, lending polish to raw woods and dark metals. Try them as deliberate, visible fasteners on a workshop-inspired console for a tailored, crafted look. Strong and refined, they’re the quiet heroes of luxe, hardworking spaces.


Equip your next build with dependable strength—add this 25-pack of Hillman Grade 5 hex cap screws to your cart today.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 212556154

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4.3 ★★★★★
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Rachael B
Carnegie, US
★★★★★ 5
Tastes great, works great
I love this toothpaste! I’m so happy to have a toothpaste that isn’t mint-flavored. FLAVOR: The taste and smell are so good — the coco ginger flavor is delicious and I legitimately look forward to the taste of it. I was worried that the ginger might be strong/spicy, but it’s nicely balanced. The lavender lemon flavor is also pretty good, like a lemon pastry. The elamint flavor tastes like regular mint toothpaste, just maybe slightly more herbal. SENSITIVITY: I’ve had to use sensitive toothpaste for many years. Any time I switched off it, I would start experiencing sensitivity again within a week or so. I’m really happy to report that this toothpaste offers great sensitivity and enamel protection. WHITENING: I don’t feel that this toothpaste is contributing much in terms of whitening. My previous toothpaste had gentle whitening, and I do feel like I could tell it was working. While my teeth haven’t gotten less white since I switched to Boka, I don’t think they’ve gotten any whiter either. That’s okay with me — the flavor and sensitivity protection are worth it, and I can always do a whitening treatment in the future if I ever feel I need to. TEXTURE: The texture is just like normal toothpaste and brushing with it feels the same as any other toothpaste. It works great with both my manual toothbrush and my electric toothbrush. TUBE: The tube is really nice and sturdy. I like the design of the tube a lot. The text and color scheme are fairly minimalist, and I like that the cap has a wide base so the tube can stand upright. It looks nice on my bathroom shelf. My only small complaint is that it gets harder and harder to squeeze the toothpaste out once the tube is less than half full. Since the tube is so sturdy, it can’t be rolled and folded to get the paste out. I think this issue could probably be resolved easily with one of those squeezing tools, though. I’ll report back if I try it. SIZES: I love that it’s available in both a regular size and a little travel size. I also loved that the travel size allowed me to try out this toothpaste before committing to a whole large one. (Don’t worry, the tube in my photos was full when it arrived! I’ve used half of it.) Overall I highly recommend this toothpaste! I will absolutely buy it again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 23, 2025
S
Verified Purchase
ShanahM3
Lake Worth, US
★★★★★ 4
Taste Great
This is a great tasting all natural toothpaste that actually does what it claims. My teeth feel so clean and fresh after brushing and the whitening is immediately noticeable, something that caught me by surprise. It's super easy to use and functional like any other toothpaste but without all the foaming at mouth. The ingredients are natural and it's fluoride free. I was looking for more of the ginger to come through but sadly it's hardly noticeable. I do like it but will try the other flavors next time.
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Reviewed in the United States on September 18, 2024
M
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Michael V Turner
San Leandro, US
★★★★★ 5
Incredible flavor
This is the best ever toothpaste, I have been looking for a ginger toothpaste and this hit the spot. Now I really want to brush my teeth, the flavor last.
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Reviewed in the United States on May 24, 2026
H
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Human of Philadelphia
Bozeman, US
★★★★★ 5
Favorite toothpaste! Love the Ginger Flavor
This is my favorite toothpaste! I have very sensitive teeth and this has improved that sensitivity quite a bit. I like that Boka offers many different flavors that aren't typical "kid flavors." I know some folks, especially neurodiverse, are averse to mint and the ginger is nice and refreshing without being overpowering. Nano toothpaste is easy to use, doesn't require water even, and is a nice consistency like a gel. No gritty feeling like with typical toothpaste. My dentist was please with my teeth last time I visited after using for 6 months, so it's doing what it's supposed to do.
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Reviewed in the United States on February 19, 2026
A
Verified Purchase
Alisha3D
Phoenix, US
★★★★★ 3
Good toothpaste, some flavors not so good
Cleans fine but I really do not like the cocoa ginger flavor. Lemon lavender is really good.
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Reviewed in the United States on May 25, 2026

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